Function af_cdouble var

src/api/cpp/var.cpp:72–76

template<>
AFAPI af_cdouble var(const array& in, const af_var_bias bias) {
    double real, imag;
    AF_THROW(af_var_all_v2(&real, &imag, in.get(), bias));
    return {real, imag};
}

template<>
AFAPI af_cfloat var(const array& in, const bool isbiased) {